Vodafone Holding Gmbh

Vodafone Gmbh

Lars Nestler

Simon Sporton

Oliver Sauder

Christopher David Pudney

Manfred Verholen

Tarek Elbasyouny

The invention is related to security method for the verification of an Information Retrieval Request () which requests a transmission of data () from a Location Register Server (LR) to a Sending Entity () in a Mobile Communication Network (), comprising the following steps: receive an Information Retrieval Request () from the Sending Entity (); extract at least one Specification Code () for specifying the Sending Entity () and/or a Mobile Subscriber (MS) out of the Information Retrieval Request (); compare the extracted at least one Specification Code () to a Verification List (); based on the result of the comparison with the Verification List (), allow or prohibit the transmission of data () requested in the Information Retrieval Request ().

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Witten, Germany

Lars Nestler